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Finding the Fourth Proportional to 301,712.56, 452,759.40 and 168,680.08

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Solution

The fourth proportional to 301,712.56, 452,759.40 and 168,680.08 is: 253,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,712.56 : 452,759.40 = 168,680.08 : x
  2. Step 2: Convert to fraction form
    301,712.56/452,759.40 = 168,680.08/x
  3. Step 3: Cross multiply
    301,712.56x = 452,759.40 × 168,680.08
  4. Step 4: Simplify right side
    301,712.56x = 76,371,491,812.75
  5. Step 5: Solve for x
    x = 76,371,491,812.75/301,712.56
  6. Step 6: Final answer
    x = 253,126.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.